diff --git a/modules/swagger-codegen/src/main/resources/rust-server/client.mustache b/modules/swagger-codegen/src/main/resources/rust-server/client.mustache
index 034318a0d69..ee9c9dc7949 100644
--- a/modules/swagger-codegen/src/main/resources/rust-server/client.mustache
+++ b/modules/swagger-codegen/src/main/resources/rust-server/client.mustache
@@ -96,7 +96,7 @@ impl Client {
             let mut ssl = openssl::ssl::SslConnectorBuilder::new(openssl::ssl::SslMethod::tls()).unwrap();
 
             // Server authentication
-            ssl.builder_mut().set_ca_file(ca_certificate.clone()).unwrap();
+            ssl.set_ca_file(ca_certificate.clone()).unwrap();
 
             let ssl = hyper_openssl::OpensslClient::from(ssl.build());
             let connector = hyper::net::HttpsConnector::new(ssl);
@@ -128,12 +128,12 @@ impl Client {
             let mut ssl = openssl::ssl::SslConnectorBuilder::new(openssl::ssl::SslMethod::tls()).unwrap();
 
             // Server authentication
-            ssl.builder_mut().set_ca_file(ca_certificate.clone()).unwrap();
+            ssl.set_ca_file(ca_certificate.clone()).unwrap();
 
             // Client authentication
-            ssl.builder_mut().set_private_key_file(client_key.clone(), openssl::x509::X509_FILETYPE_PEM).unwrap();
-            ssl.builder_mut().set_certificate_chain_file(client_certificate.clone()).unwrap();
-            ssl.builder_mut().check_private_key().unwrap();
+            ssl.set_private_key_file(client_key.clone(), openssl::x509::X509_FILETYPE_PEM).unwrap();
+            ssl.set_certificate_chain_file(client_certificate.clone()).unwrap();
+            ssl.check_private_key().unwrap();
 
             let ssl = hyper_openssl::OpensslClient::from(ssl.build());
             let connector = hyper::net::HttpsConnector::new(ssl);
diff --git a/modules/swagger-codegen/src/main/resources/rust-server/example-server.mustache b/modules/swagger-codegen/src/main/resources/rust-server/example-server.mustache
index 96e6ff4c48d..007384b33fe 100644
--- a/modules/swagger-codegen/src/main/resources/rust-server/example-server.mustache
+++ b/modules/swagger-codegen/src/main/resources/rust-server/example-server.mustache
@@ -33,9 +33,9 @@ fn ssl() -> Result<OpensslServer, ErrorStack> {
     let mut ssl = SslAcceptorBuilder::mozilla_intermediate_raw(SslMethod::tls())?;
 
     // Server authentication
-    ssl.builder_mut().set_private_key_file("examples/server-key.pem", X509_FILETYPE_PEM)?;
-    ssl.builder_mut().set_certificate_chain_file("examples/server-chain.pem")?;
-    ssl.builder_mut().check_private_key()?;
+    ssl.set_private_key_file("examples/server-key.pem", X509_FILETYPE_PEM)?;
+    ssl.set_certificate_chain_file("examples/server-chain.pem")?;
+    ssl.check_private_key()?;
 
     Ok(OpensslServer::from(ssl.build()))
 }
diff --git a/samples/server/petstore/rust-server/examples/server.rs b/samples/server/petstore/rust-server/examples/server.rs
index 022e44a29e4..85fe5c16c0d 100644
--- a/samples/server/petstore/rust-server/examples/server.rs
+++ b/samples/server/petstore/rust-server/examples/server.rs
@@ -33,9 +33,9 @@ fn ssl() -> Result<OpensslServer, ErrorStack> {
     let mut ssl = SslAcceptorBuilder::mozilla_intermediate_raw(SslMethod::tls())?;
 
     // Server authentication
-    ssl.builder_mut().set_private_key_file("examples/server-key.pem", X509_FILETYPE_PEM)?;
-    ssl.builder_mut().set_certificate_chain_file("examples/server-chain.pem")?;
-    ssl.builder_mut().check_private_key()?;
+    ssl.set_private_key_file("examples/server-key.pem", X509_FILETYPE_PEM)?;
+    ssl.set_certificate_chain_file("examples/server-chain.pem")?;
+    ssl.check_private_key()?;
 
     Ok(OpensslServer::from(ssl.build()))
 }
diff --git a/samples/server/petstore/rust-server/src/client.rs b/samples/server/petstore/rust-server/src/client.rs
index 3f8e45745a1..648ba2dd3b3 100644
--- a/samples/server/petstore/rust-server/src/client.rs
+++ b/samples/server/petstore/rust-server/src/client.rs
@@ -126,7 +126,7 @@ impl Client {
             let mut ssl = openssl::ssl::SslConnectorBuilder::new(openssl::ssl::SslMethod::tls()).unwrap();
 
             // Server authentication
-            ssl.builder_mut().set_ca_file(ca_certificate.clone()).unwrap();
+            ssl.set_ca_file(ca_certificate.clone()).unwrap();
 
             let ssl = hyper_openssl::OpensslClient::from(ssl.build());
             let connector = hyper::net::HttpsConnector::new(ssl);
@@ -158,12 +158,12 @@ impl Client {
             let mut ssl = openssl::ssl::SslConnectorBuilder::new(openssl::ssl::SslMethod::tls()).unwrap();
 
             // Server authentication
-            ssl.builder_mut().set_ca_file(ca_certificate.clone()).unwrap();
+            ssl.set_ca_file(ca_certificate.clone()).unwrap();
 
             // Client authentication
-            ssl.builder_mut().set_private_key_file(client_key.clone(), openssl::x509::X509_FILETYPE_PEM).unwrap();
-            ssl.builder_mut().set_certificate_chain_file(client_certificate.clone()).unwrap();
-            ssl.builder_mut().check_private_key().unwrap();
+            ssl.set_private_key_file(client_key.clone(), openssl::x509::X509_FILETYPE_PEM).unwrap();
+            ssl.set_certificate_chain_file(client_certificate.clone()).unwrap();
+            ssl.check_private_key().unwrap();
 
             let ssl = hyper_openssl::OpensslClient::from(ssl.build());
             let connector = hyper::net::HttpsConnector::new(ssl);